Completing trils and wavy lines support, phase 4
Completing trils and wavy lines support, phase 4

grame-cncm/libmusicxml,grame-cncm/libmusicxml,grame-cncm/libmusicxml,dfober/libmusicxml,arshiacont/libmusicxml,arshiacont/libmusicxml,arshiacont/libmusicxml,grame-cncm/libmusicxml,dfober/libmusicxml,arshiacont/libmusicxml,grame-cncm/libmusicxml,dfober/libmusicxml,grame-cncm/libmusicxml,arshiacont/libmusicxml,dfober/libmusicxml